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Vertical Farming
Blog Use of LEDs in vertical farming
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  • Author Author: shanesissons
  • Date Created: 16 Aug 2015 1:40 AM Date Created
  • Views 1082 views
  • Likes 3 likes
  • Comments 12 comments
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Recommended

Use of LEDs in vertical farming

shanesissons
shanesissons
16 Aug 2015

Came across this site post was an interesting read so i thought i would share it with you

all about using LEDs for plant growth

 

Plant Productivity in Response to LED Lighting

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Top Comments

  • jw0752
    jw0752 over 10 years ago +2
    I have tried to get some spectra from different colored LEDs. The results were disappointing and so I presented it as a separate Blog so as not to mess up this discussion. If you are curious or want to…
  • jw0752
    jw0752 over 10 years ago in reply to Former Member +1
    Hi Joshua, The process of growth in plants is fueled energy wise by light. Apparently the color and intensity of that light are important. The plants have evolved to thrive best under the spectrum of the…
  • balearicdynamics
    balearicdynamics over 10 years ago in reply to jw0752 +1
    Hi John, what you say is correct, and probably the kit provides (at least it is I will expecting) a range of lighting LEDs covering the possible needs, while when the specific plant seeds are distributed…
Parents
  • DAB
    DAB over 10 years ago

    Nice link.

     

    I have seen other articles along this line and there is good data on how some plants respond to different types of light.

     

    I think the work is in its early phases, so experimentation by everyone can yield some valuable data.

     

    This challenge provides an excellent opportunity for the contestants to experiment an discuss their findings.

     

    DAB

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  • Former Member
    Former Member over 10 years ago in reply to DAB

    So we got a bunch of LEDs in the box, but aren't they too small to do any lighting? I mean the only use I can think of is for blinking lights for a warning system?

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  • balearicdynamics
    balearicdynamics over 10 years ago in reply to jw0752

    Hi John,

     

    what you say is correct, and probably the kit provides (at least it is I will expecting) a range of lighting LEDs covering the possible needs, while when the specific plant seeds are distributed a selection of them should be done. There are two points I think we should anyway focus the attention:

    • It is true that the LEDs light is potentially lower than the sun power per square meter but still exists high power LEDs that move the emitted light to a totally different scale (like you I have no idea of what are the provided LEDs. So, as just putting a spectroscope a series of different LED wavelength generates specific light bands and holes, the comparison in my opinion should be done not on the total sun light power (covering all the frequencies) but checking for every specific LED frequency what is the corresponding intensity in the sunlight. I can imagine that is the sunlight will include 1000watt per square meter referring - for example - just to the near UV probably we will be all cooked image
    • The second aspect - I have read something about this but my ignorance in the field of vertical farming is almost an abyss - depends on the different growing phases of the plant. From the seed to the mature plant (ready-to-eat image ) there are different kind of reaction to different frequencies. So probably the lighting source should be organised in a pool of different kind of LEDs activated at different intensity in the different phases of the plant growing.

     

    Enrico

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  • jw0752
    jw0752 over 10 years ago in reply to balearicdynamics

    I am sure that growing plants using artificial light is a science unto itself and much more complicated than I can imagine. I saw in the Wikipaedia article that I scanned that the percentages of energy of sunlight in the different frequency bands was listed. As with many things in nature my guess would be that the growing effectiveness of a given band of frequencies would have a bell curve of effectiveness for a particular plant. Given the cost $ of energy for artificial light the best option, when available, is still to use natural sunlight even if the plants are grown in a vertical farm, hydroponically, or in some other configuration.

    John

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  • shanesissons
    shanesissons over 10 years ago in reply to jw0752

    Hi John

    I agree with what you say but I would have to sort of disagree by saying that using renewable energy to convert wind and sun into electric to power the lighting and with having artificial lighting it is adjustable and controllable to optimise growing condition and also to beable to grow all year round no matter what the weather is like

     

    I think the hardest part is replicating the sun as it doesn't just emit viable light there are so many different factors to try and replicate I'm just using red green and blue in my design and I will be looking more into the amount of each at a later date

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  • jw0752
    jw0752 over 10 years ago in reply to shanesissons

    Hi Shane,

    I have a cheap spectroscope and I am going to see if I can get a read on some of the different LED colors tonight. The trick will be if I can take a usable photo.

    John

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  • shanesissons
    shanesissons over 10 years ago in reply to jw0752

    That would be great info if you can get it John

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  • shanesissons
    shanesissons over 10 years ago in reply to jw0752

    That would be great info if you can get it John

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  • Former Member
    Former Member over 10 years ago in reply to shanesissons

    Lol really need to blog some of the stuff I've done. Been really busy, and made a few changes to the design(mostly realizing what an idiot I am and that aquaponics is fish and not nutrients:( (gardeners xD))

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  • Former Member
    Former Member over 10 years ago in reply to Former Member

    Also anyone know what seeds we are suppossed to get, I was told they are coming but not what they were... I'd really like to get my materials right when the seeds come.

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